Automatic injector



FIG. 1 is a front, left, top, perspective view of an automatic injector, showing our new design;

FIG. 2 is a rear, right, bottom, perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being identical;

FIG. 4 is a right side elevational view thereof; the left side elevational view being identical;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an automatic injector, as shown and described. 